Use acquire/release ordering when accessing svm_fifo shared variable cursize

[vpp.git] / src / vppinfra / atomics.h

diff --git a/src/vppinfra/atomics.h b/src/vppinfra/atomics.h
index 420ae83..8084bdc 100644 (file)
--- a/src/vppinfra/atomics.h
+++ b/src/vppinfra/atomics.h
@@ -40,7 +40,11 @@
 #define clib_atomic_test_and_set(a) __sync_lock_test_and_set(a, 1)
 #define clib_atomic_release(a) __sync_lock_release(a)
 
+#define clib_atomic_load_acq_n(a) __atomic_load_n((a), __ATOMIC_ACQUIRE)
 #define clib_atomic_store_rel_n(a, b) __atomic_store_n ((a), (b), __ATOMIC_RELEASE)
 #define clib_atomic_swap_acq_n(a, b) __atomic_exchange_n ((a), (b), __ATOMIC_ACQUIRE)
 
+#define clib_atomic_fetch_add_rel(a, b) __atomic_fetch_add((a), (b), __ATOMIC_RELEASE)
+#define clib_atomic_fetch_sub_rel(a, b) __atomic_fetch_sub((a), (b), __ATOMIC_RELEASE)
+
 #endif /* included_clib_atomics_h */